/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchyContainer.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FRigHierarchyContainer
FRigBoneHierarc...
BoneHierarchy
FRigControlHier...
ControlHierarchy
FRigCurveContai...
CurveContainer
FRigSpaceHierar...
SpaceHierarchy